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Finding the Fourth Proportional to 48,809.44, 73,224.90 and 20,753.50

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Solution

The fourth proportional to 48,809.44, 73,224.90 and 20,753.50 is: 31,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.44 : 73,224.90 = 20,753.50 : x
  2. Step 2: Convert to fraction form
    48,809.44/73,224.90 = 20,753.50/x
  3. Step 3: Cross multiply
    48,809.44x = 73,224.90 × 20,753.50
  4. Step 4: Simplify right side
    48,809.44x = 1,519,672,962.15
  5. Step 5: Solve for x
    x = 1,519,672,962.15/48,809.44
  6. Step 6: Final answer
    x = 31,134.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.